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<head><meta charset="utf-8"><title>weekly meeting June 19 · t-compiler/wg-nll · Zulip Chat Archive</title></head>
<h2>Stream: <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/index.html">t-compiler/wg-nll</a></h2>
<h3>Topic: <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html">weekly meeting June 19</a></h3>

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<a name="128323580"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128323580" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128323580">(Jun 19 2018 at 19:33)</a>:</h4>
<p>hi <span class="user-mention" data-user-id="*">@everyone</span></p>



<a name="128323585"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128323585" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> davidtwco <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128323585">(Jun 19 2018 at 19:33)</a>:</h4>
<p>o/</p>



<a name="128323589"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128323589" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128323589">(Jun 19 2018 at 19:33)</a>:</h4>
<p>are others having problems with <a href="https://paper.dropbox.com/doc/Non-lexical-lifetimes-NLL-Triage-Em2cJrvxQMMFWLE7lE5Be" target="_blank" title="https://paper.dropbox.com/doc/Non-lexical-lifetimes-NLL-Triage-Em2cJrvxQMMFWLE7lE5Be">the paper doc</a>?</p>



<a name="128323595"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128323595" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128323595">(Jun 19 2018 at 19:34)</a>:</h4>
<p>I am :)</p>



<a name="128323645"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128323645" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128323645">(Jun 19 2018 at 19:34)</a>:</h4>
<p>(paper has been a bit unreliable over last couple of days for me)</p>



<a name="128323657"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128323657" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128323657">(Jun 19 2018 at 19:34)</a>:</h4>
<p>((but we are also sitting in a cafe sharing the same questionable wifi))</p>



<a name="128323659"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128323659" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128323659">(Jun 19 2018 at 19:34)</a>:</h4>
<p>I'm not, I think</p>



<a name="128323663"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128323663" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> davidtwco <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128323663">(Jun 19 2018 at 19:34)</a>:</h4>
<p>It worked after I refreshed, but initially I got a 500.</p>



<a name="128323689"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128323689" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128323689">(Jun 19 2018 at 19:35)</a>:</h4>
<p>do you see my edits?</p>



<a name="128323699"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128323699" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128323699">(Jun 19 2018 at 19:35)</a>:</h4>
<p>e.g. a list of possible issues?</p>



<a name="128323701"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128323701" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128323701">(Jun 19 2018 at 19:35)</a>:</h4>
<p>it seems to die each time I try to edit, I fear</p>



<a name="128323703"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128323703" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128323703">(Jun 19 2018 at 19:35)</a>:</h4>
<div class="codehilite"><pre><span></span>  - nmatsakis: working on query performance still
    - one PR landed
</pre></div>



<a name="128323707"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128323707" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128323707">(Jun 19 2018 at 19:35)</a>:</h4>
<p>yeah, not those</p>



<a name="128323712"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128323712" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> davidtwco <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128323712">(Jun 19 2018 at 19:35)</a>:</h4>
<p>No, don't think mine has gone through either. I only see what Santiago just posted.</p>



<a name="128323716"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128323716" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128323716">(Jun 19 2018 at 19:35)</a>:</h4>
<p>getting 500 now</p>



<a name="128323718"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128323718" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128323718">(Jun 19 2018 at 19:36)</a>:</h4>
<p>I added a list with two issues</p>
<ul>
<li><a href="https://github.com/rust-lang/rust/issues/51268" target="_blank" title="https://github.com/rust-lang/rust/issues/51268">https://github.com/rust-lang/rust/issues/51268</a></li>
<li><a href="https://github.com/rust-lang/rust/issues/51512" target="_blank" title="https://github.com/rust-lang/rust/issues/51512">https://github.com/rust-lang/rust/issues/51512</a></li>
</ul>



<a name="128323756"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128323756" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128323756">(Jun 19 2018 at 19:36)</a>:</h4>
<p>it's definitely having issues</p>



<a name="128323759"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128323759" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128323759">(Jun 19 2018 at 19:36)</a>:</h4>
<p>I think paper is dead :( :(</p>



<a name="128323760"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128323760" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128323760">(Jun 19 2018 at 19:36)</a>:</h4>
<p>yes</p>



<a name="128323772"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128323772" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128323772">(Jun 19 2018 at 19:36)</a>:</h4>
<p>I guess we can share briefly important status msgs here :)</p>



<a name="128323775"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128323775" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128323775">(Jun 19 2018 at 19:36)</a>:</h4>
<p>niko and i were just looking at the <a href="https://github.com/rust-lang/rust/issues?page=1&amp;q=is%3Aissue+is%3Aopen+label%3ANLL-diagnostics&amp;utf8=%E2%9C%93" target="_blank" title="https://github.com/rust-lang/rust/issues?page=1&amp;q=is%3Aissue+is%3Aopen+label%3ANLL-diagnostics&amp;utf8=%E2%9C%93">NLL-diagnostics list</a></p>



<a name="128323778"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128323778" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128323778">(Jun 19 2018 at 19:36)</a>:</h4>
<p>I'm still working on perf, <em>almost</em> at the end of my patch sequence</p>



<a name="128323799"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128323799" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128323799">(Jun 19 2018 at 19:37)</a>:</h4>
<p>(btw cc <span class="user-mention" data-user-id="116118">@Matthew Jasper</span>, you around by any chance?)</p>



<a name="128323880"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128323880" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128323880">(Jun 19 2018 at 19:38)</a>:</h4>
<p>ok, well, I think at this point the major focus is to hack on diagnostics issues...</p>



<a name="128323884"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128323884" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128323884">(Jun 19 2018 at 19:38)</a>:</h4>
<p><span class="user-mention" data-user-id="116107">@David Wood</span>, do you still think you'll have time to pursue that region stuff?</p>



<a name="128323885"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128323885" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128323885">(Jun 19 2018 at 19:38)</a>:</h4>
<p>we could try to setup a time to sync again</p>



<a name="128323888"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128323888" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128323888">(Jun 19 2018 at 19:38)</a>:</h4>
<p>(e.g., tomorrow)</p>



<a name="128323918"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128323918" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> davidtwco <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128323918">(Jun 19 2018 at 19:39)</a>:</h4>
<p><span class="user-mention" data-user-id="116009">@nikomatsakis</span>  I've definitely got time, just need some guidance on improving the bare-bones categorization that's currently there and then I can look into using those to get the error we want.</p>



<a name="128323969"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128323969" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128323969">(Jun 19 2018 at 19:40)</a>:</h4>
<p><span class="user-mention" data-user-id="116083">@pnkfelix</span> is curious about it (the "region stuff",aka <a href="https://github.com/rust-lang/rust/issues/51188" target="_blank" title="https://github.com/rust-lang/rust/issues/51188">issue 51188</a>) because he has been looking into whether there is some low-hanging fruit in related areas there.</p>



<a name="128323973"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128323973" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128323973">(Jun 19 2018 at 19:40)</a>:</h4>
<p>ok — I skimmed the PR and it "seemed fine" but I need to actually bring that stuff back into my head a bit I guess</p>



<a name="128323976"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128323976" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128323976">(Jun 19 2018 at 19:40)</a>:</h4>
<p>I will make a point to do that later today</p>



<a name="128323979"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128323979" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128323979">(Jun 19 2018 at 19:40)</a>:</h4>
<p>but if there is a broader solution in the works, then @pnkfelix would be happy to focus elsewhere</p>



<a name="128324001"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324001" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324001">(Jun 19 2018 at 19:41)</a>:</h4>
<p>So to me my main question is what big tasks remain for diagnostics</p>



<a name="128324003"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324003" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> davidtwco <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324003">(Jun 19 2018 at 19:41)</a>:</h4>
<p>Is the issue <span class="user-mention" data-user-id="116083">@pnkfelix</span> just assigned to me similar to the stuff being discussed in the <code>ui/underscore-lifetime/dyn-trait-underscore.rs</code> topic? Or something new?</p>



<a name="128324013"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324013" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324013">(Jun 19 2018 at 19:41)</a>:</h4>
<p>I think it is similar =)</p>



<a name="128324019"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324019" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324019">(Jun 19 2018 at 19:42)</a>:</h4>
<p>that's why we assigned it</p>



<a name="128324060"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324060" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324060">(Jun 19 2018 at 19:42)</a>:</h4>
<p>I think <span class="user-mention" data-user-id="116266">@Santiago Pastorino</span> that <a href="https://github.com/rust-lang/rust/issues/51268" target="_blank" title="https://github.com/rust-lang/rust/issues/51268">https://github.com/rust-lang/rust/issues/51268</a> might be a good "next issue"</p>



<a name="128324063"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324063" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> davidtwco <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324063">(Jun 19 2018 at 19:42)</a>:</h4>
<p>Cool, just checking <span class="emoji emoji-1f44d" title="thumbs up">:thumbs_up:</span></p>



<a name="128324065"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324065" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324065">(Jun 19 2018 at 19:42)</a>:</h4>
<p>same "general area" of the code as what you were just doing</p>



<a name="128324073"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324073" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324073">(Jun 19 2018 at 19:42)</a>:</h4>
<blockquote>
<p>same "general area" of the code as what you were just doing</p>
</blockquote>
<p><span class="emoji emoji-1f44d" title="+1">:+1:</span></p>



<a name="128324104"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324104" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324104">(Jun 19 2018 at 19:43)</a>:</h4>
<p>For diagnostics, some of the work remaining are relatively small fixes to papercuts, such as bugs like <a href="https://github.com/rust-lang/rust/issues/51512" target="_blank" title="https://github.com/rust-lang/rust/issues/51512">https://github.com/rust-lang/rust/issues/51512</a> which <span class="user-mention" data-user-id="116009">@nikomatsakis</span> just put some great mentoring instructions on</p>



<a name="128324171"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324171" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324171">(Jun 19 2018 at 19:44)</a>:</h4>
<p>great I don't know</p>



<a name="128324189"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324189" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324189">(Jun 19 2018 at 19:45)</a>:</h4>
<p>(less important status update: opened a couple of polonius PRs, investigated the <code>visit_mir</code> origins, tried removing 2k unused cfg edges from clap and somehow got slower results :)</p>



<a name="128324204"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324204" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324204">(Jun 19 2018 at 19:45)</a>:</h4>
<p>ah, yes, lqd -- the <code>visit_mir</code> thing --</p>



<a name="128324212"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324212" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324212">(Jun 19 2018 at 19:46)</a>:</h4>
<p>that was good detective work :) we should see if we can fix that</p>



<a name="128324256"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324256" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324256">(Jun 19 2018 at 19:46)</a>:</h4>
<p>what's the answer?</p>



<a name="128324268"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324268" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324268">(Jun 19 2018 at 19:46)</a>:</h4>
<p>(or in what Zulip thread can we find the answer?)</p>



<a name="128324272"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324272" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324272">(Jun 19 2018 at 19:46)</a>:</h4>
<p>the theory was that it is <a href="https://gist.github.com/lqd/7e178cb9ac8302e24272965048627f21#file-mod-rs-L243-L256" target="_blank" title="https://gist.github.com/lqd/7e178cb9ac8302e24272965048627f21#file-mod-rs-L243-L256">this code</a></p>



<a name="128324275"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324275" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> davidtwco <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324275">(Jun 19 2018 at 19:46)</a>:</h4>
<p>Yeah, I'd be interested in seeing what it was since I couldn't get it to repro here.</p>



<a name="128324279"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324279" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324279">(Jun 19 2018 at 19:46)</a>:</h4>
<div class="codehilite"><pre><span></span><span class="w">    </span><span class="k">for</span><span class="w"> </span><span class="n">local</span><span class="w"> </span><span class="k">in</span><span class="w"> </span><span class="n">temporary_used_locals</span><span class="w"> </span><span class="p">{</span><span class="w"></span>
<span class="w">        </span><span class="kd">let</span><span class="w"> </span><span class="n">assignments</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">mbcx</span><span class="p">.</span><span class="n">mir</span><span class="p">.</span><span class="n">find_assignments</span><span class="p">(</span><span class="n">local</span><span class="p">);</span><span class="w"></span>
<span class="w">        </span><span class="k">for</span><span class="w"> </span><span class="n">location</span><span class="w"> </span><span class="k">in</span><span class="w"> </span><span class="n">assignments</span><span class="w"> </span><span class="p">{</span><span class="w"></span>
<span class="w">            </span><span class="k">for</span><span class="w"> </span><span class="n">moi</span><span class="w"> </span><span class="k">in</span><span class="w"> </span><span class="o">&amp;</span><span class="n">mbcx</span><span class="p">.</span><span class="n">move_data</span><span class="p">.</span><span class="n">loc_map</span><span class="p">[</span><span class="n">location</span><span class="p">]</span><span class="w"> </span><span class="p">{</span><span class="w"></span>
<span class="w">                </span><span class="kd">let</span><span class="w"> </span><span class="n">mpi</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="o">&amp;</span><span class="n">mbcx</span><span class="p">.</span><span class="n">move_data</span><span class="p">.</span><span class="n">moves</span><span class="p">[</span><span class="o">*</span><span class="n">moi</span><span class="p">].</span><span class="n">path</span><span class="p">;</span><span class="w"></span>
<span class="w">                </span><span class="kd">let</span><span class="w"> </span><span class="n">path</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="o">&amp;</span><span class="n">mbcx</span><span class="p">.</span><span class="n">move_data</span><span class="p">.</span><span class="n">move_paths</span><span class="p">[</span><span class="o">*</span><span class="n">mpi</span><span class="p">];</span><span class="w"></span>
<span class="w">                </span><span class="n">debug</span><span class="o">!</span><span class="p">(</span><span class="s">&quot;assignment of {:?} to {:?}, adding {:?} to used mutable set&quot;</span><span class="p">,</span><span class="w"></span>
<span class="w">                       </span><span class="n">path</span><span class="p">.</span><span class="n">place</span><span class="p">,</span><span class="w"> </span><span class="n">local</span><span class="p">,</span><span class="w"> </span><span class="n">path</span><span class="p">.</span><span class="n">place</span><span class="p">);</span><span class="w"></span>
<span class="w">                </span><span class="k">if</span><span class="w"> </span><span class="kd">let</span><span class="w"> </span><span class="n">Place</span>::<span class="n">Local</span><span class="p">(</span><span class="n">user_local</span><span class="p">)</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">path</span><span class="p">.</span><span class="n">place</span><span class="w"> </span><span class="p">{</span><span class="w"></span>
<span class="w">                    </span><span class="n">mbcx</span><span class="p">.</span><span class="n">used_mut</span><span class="p">.</span><span class="n">insert</span><span class="p">(</span><span class="n">user_local</span><span class="p">);</span><span class="w"></span>
<span class="w">                </span><span class="p">}</span><span class="w"></span>
<span class="w">            </span><span class="p">}</span><span class="w"></span>
<span class="w">        </span><span class="p">}</span><span class="w"></span>
<span class="p">}</span><span class="w"></span>
</pre></div>



<a name="128324285"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324285" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324285">(Jun 19 2018 at 19:46)</a>:</h4>
<p>so part of the unused mut lint</p>



<a name="128324292"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324292" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324292">(Jun 19 2018 at 19:47)</a>:</h4>
<p><span class="user-mention" data-user-id="116083">@pnkfelix</span> specifically, <code>mbcx.mir.find_assignments(local)</code></p>



<a name="128324294"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324294" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324294">(Jun 19 2018 at 19:47)</a>:</h4>
<p>tl;dr <code>find_assignments</code> is not cheap</p>



<a name="128324301"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324301" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324301">(Jun 19 2018 at 19:47)</a>:</h4>
<p>this is an O(n^2) loop</p>



<a name="128324304"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324304" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324304">(Jun 19 2018 at 19:47)</a>:</h4>
<p>it could easily be linear</p>



<a name="128324372"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324372" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324372">(Jun 19 2018 at 19:48)</a>:</h4>
<p>so this is a concrete easy to fix bug</p>



<a name="128324376"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324376" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324376">(Jun 19 2018 at 19:48)</a>:</h4>
<p>for somebody who wants to tackle a perf bug :)</p>



<a name="128324386"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324386" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324386">(Jun 19 2018 at 19:48)</a>:</h4>
<p>I or <span class="user-mention" data-user-id="116083">@pnkfelix</span> can try to write up somethig, but the basic idea is this:</p>



<a name="128324387"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324387" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324387">(Jun 19 2018 at 19:48)</a>:</h4>
<p>I can help there if nobody wants to do it :)</p>



<a name="128324393"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324393" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324393">(Jun 19 2018 at 19:48)</a>:</h4>
<p>today we are iterating over all variables and, for each variable, over the MIR</p>



<a name="128324397"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324397" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324397">(Jun 19 2018 at 19:49)</a>:</h4>
<p>same</p>



<a name="128324398"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324398" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324398">(Jun 19 2018 at 19:49)</a>:</h4>
<p>we would rather iterate once over the MIR and collect this data</p>



<a name="128324414"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324414" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324414">(Jun 19 2018 at 19:49)</a>:</h4>
<p>ok, let's file an issue related to this</p>



<a name="128324480"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324480" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Matthew Jasper <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324480">(Jun 19 2018 at 19:50)</a>:</h4>
<p>@nikomatsakis I'm here.</p>



<a name="128324498"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324498" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324498">(Jun 19 2018 at 19:50)</a>:</h4>
<p><span class="user-mention" data-user-id="116118">@Matthew Jasper</span> I wanted to check in on <a href="https://github.com/rust-lang/rust/issues/51217" target="_blank" title="https://github.com/rust-lang/rust/issues/51217">https://github.com/rust-lang/rust/issues/51217</a></p>



<a name="128324621"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324621" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324621">(Jun 19 2018 at 19:52)</a>:</h4>
<p>Okay great; it sounds like fixing that O(n^2) loop will take care of the 7% listed on the clap-rs perf results on <a href="https://paper.dropbox.com/doc/NLL-Performance-Tracking-Doc-dRlUMiWT8eexf80FTrYj8" target="_blank" title="https://paper.dropbox.com/doc/NLL-Performance-Tracking-Doc-dRlUMiWT8eexf80FTrYj8">https://paper.dropbox.com/doc/NLL-Performance-Tracking-Doc-dRlUMiWT8eexf80FTrYj8</a></p>



<a name="128324641"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324641" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324641">(Jun 19 2018 at 19:53)</a>:</h4>
<p>of course the real hog there is type-check-internal, which <span class="user-mention" data-user-id="116009">@nikomatsakis</span> is still looking at</p>



<a name="128324644"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324644" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324644">(Jun 19 2018 at 19:53)</a>:</h4>
<p>Ok I filed <a href="https://github.com/rust-lang/rust/issues/51641" target="_blank" title="https://github.com/rust-lang/rust/issues/51641">https://github.com/rust-lang/rust/issues/51641</a></p>



<a name="128324647"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324647" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324647">(Jun 19 2018 at 19:53)</a>:</h4>
<p>to represent that loop</p>



<a name="128324659"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324659" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324659">(Jun 19 2018 at 19:53)</a>:</h4>
<p>so we should assign either <span class="user-mention" data-user-id="116113">@lqd</span> or <span class="user-mention" data-user-id="116266">@Santiago Pastorino</span> — maybe <span class="user-mention" data-user-id="116113">@lqd</span> as they've been tracking it thus far?</p>



<a name="128324700"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324700" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Matthew Jasper <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324700">(Jun 19 2018 at 19:54)</a>:</h4>
<p>I'm probably going to get to it after the other issues that I assigned myself (which are just waiting to be rebased over <a href="https://github.com/rust-lang/rust/pull/51275" target="_blank" title="https://github.com/rust-lang/rust/pull/51275">https://github.com/rust-lang/rust/pull/51275</a>). I should have something running locally by next week.</p>



<a name="128324703"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324703" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324703">(Jun 19 2018 at 19:54)</a>:</h4>
<p>I'm a bit torn on whether to fold that loop into some other walk or what — it feels silly to have Yet Another Walk of the MIR</p>



<a name="128324720"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324720" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324720">(Jun 19 2018 at 19:54)</a>:</h4>
<p><span class="user-mention" data-user-id="116009">@nikomatsakis</span> I'm not in the GH orgs yet IIRC, otherwise, sure :)</p>



<a name="128324734"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324734" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324734">(Jun 19 2018 at 19:54)</a>:</h4>
<p>oh, didn't I invite you?</p>



<a name="128324738"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324738" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324738">(Jun 19 2018 at 19:54)</a>:</h4>
<p>I can fix that...</p>



<a name="128324777"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324777" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324777">(Jun 19 2018 at 19:55)</a>:</h4>
<p>you are <span class="user-mention" data-user-id="116113">@lqd</span> also on GH, right?</p>



<a name="128324784"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324784" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324784">(Jun 19 2018 at 19:55)</a>:</h4>
<p>yeah</p>



<a name="128324842"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324842" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324842">(Jun 19 2018 at 19:56)</a>:</h4>
<p>so yeah at this point, other than type-check-internal and this...</p>



<a name="128324846"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324846" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324846">(Jun 19 2018 at 19:56)</a>:</h4>
<p>it's not clear what else to do on perf; there is perhaps a bit more</p>



<a name="128324848"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324848" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324848">(Jun 19 2018 at 19:56)</a>:</h4>
<p>njn was doing some investigations for example</p>



<a name="128324853"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324853" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324853">(Jun 19 2018 at 19:57)</a>:</h4>
<p>they found a hot loop or two</p>



<a name="128324856"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324856" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324856">(Jun 19 2018 at 19:57)</a>:</h4>
<p>my guess is that we'll want to wait until this work lands and reprofile</p>



<a name="128324931"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324931" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324931">(Jun 19 2018 at 19:58)</a>:</h4>
<p>Right I don't think we've identified any other hot spots to attack</p>



<a name="128324945"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324945" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324945">(Jun 19 2018 at 19:59)</a>:</h4>
<p>from our profiling</p>



<a name="128324946"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324946" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324946">(Jun 19 2018 at 19:59)</a>:</h4>
<p><span class="user-mention" data-user-id="116009">@nikomatsakis</span> assign it to <span class="user-mention" data-user-id="116113">@lqd</span></p>



<a name="128324950"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324950" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324950">(Jun 19 2018 at 19:59)</a>:</h4>
<p>done</p>



<a name="128324952"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324952" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324952">(Jun 19 2018 at 19:59)</a>:</h4>
<p><span class="user-mention" data-user-id="116266">@Santiago Pastorino</span> alright I just did</p>



<a name="128324953"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324953" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324953">(Jun 19 2018 at 19:59)</a>:</h4>
<p>So I just want to double-check</p>



<a name="128324957"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324957" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324957">(Jun 19 2018 at 19:59)</a>:</h4>
<p>I guess then the next thing to focus on is prob diagnostics?</p>



<a name="128324963"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324963" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324963">(Jun 19 2018 at 19:59)</a>:</h4>
<p>Since the two main pillars are diagnostics and performance</p>



<a name="128324966"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128324966" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128324966">(Jun 19 2018 at 19:59)</a>:</h4>
<p>yeah</p>



<a name="128325031"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325031" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325031">(Jun 19 2018 at 20:00)</a>:</h4>
<p>(I was wondering recently if we should be putting more energy into various "sound/complete" checks — e.g., trying to bootstrap with NLL enabled, crater runs etc)</p>



<a name="128325038"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325038" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325038">(Jun 19 2018 at 20:00)</a>:</h4>
<p>but I think keeping our focus on diagnostics+perf is still prob right</p>



<a name="128325044"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325044" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325044">(Jun 19 2018 at 20:00)</a>:</h4>
<p>Regarding diagnostics, what "major architectural efforts" are underway or necessary?</p>



<a name="128325056"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325056" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325056">(Jun 19 2018 at 20:01)</a>:</h4>
<p>I.e., I know about the small papercuts that should be easy to fix</p>



<a name="128325067"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325067" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325067">(Jun 19 2018 at 20:01)</a>:</h4>
<p>and I just finished what I regard as one "major rewrite" in my change to check_access_permissions</p>



<a name="128325068"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325068" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325068">(Jun 19 2018 at 20:01)</a>:</h4>
<p>hmm. well, I think the work that <span class="user-mention" data-user-id="116107">@David Wood</span> and I have been doing on regions probably counts</p>



<a name="128325079"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325079" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325079">(Jun 19 2018 at 20:01)</a>:</h4>
<p>Right, that's one</p>



<a name="128325082"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325082" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325082">(Jun 19 2018 at 20:01)</a>:</h4>
<p>we were talking about the possibility of threading <code>span</code> information through on each <code>Place</code></p>



<a name="128325083"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325083" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325083">(Jun 19 2018 at 20:01)</a>:</h4>
<p>that would be pretty major</p>



<a name="128325089"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325089" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325089">(Jun 19 2018 at 20:02)</a>:</h4>
<p>but I don't know whether we consider that necessary? it seems like <em>eventually</em> it may be, depending on how precise we want our spans to be</p>



<a name="128325130"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325130" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325130">(Jun 19 2018 at 20:02)</a>:</h4>
<p>what would that span represent?</p>



<a name="128325133"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325133" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325133">(Jun 19 2018 at 20:02)</a>:</h4>
<p>some first initialization of the place?</p>



<a name="128325140"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325140" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325140">(Jun 19 2018 at 20:02)</a>:</h4>
<p>well what I imagined was rather that each <code>mir::Place</code> would carry the span from where it appears in the source</p>



<a name="128325143"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325143" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325143">(Jun 19 2018 at 20:02)</a>:</h4>
<p>or its declaration point?</p>



<a name="128325147"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325147" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325147">(Jun 19 2018 at 20:02)</a>:</h4>
<p>hmm</p>



<a name="128325149"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325149" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325149">(Jun 19 2018 at 20:02)</a>:</h4>
<p><em>that</em> in turn implies that the borrowck can't use the <code>Place</code> internally to designate a path</p>



<a name="128325158"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325158" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325158">(Jun 19 2018 at 20:02)</a>:</h4>
<p>and would instead need to use <code>MovePathIndex</code> or some such thing</p>



<a name="128325169"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325169" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325169">(Jun 19 2018 at 20:03)</a>:</h4>
<p>so e.g. if you had <code>let a = 22; foo(a);</code></p>



<a name="128325177"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325177" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325177">(Jun 19 2018 at 20:03)</a>:</h4>
<p>those two uses of <code>a</code> would have distinct spans</p>



<a name="128325180"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325180" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325180">(Jun 19 2018 at 20:03)</a>:</h4>
<p>(in the MIR)</p>



<a name="128325207"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325207" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325207">(Jun 19 2018 at 20:03)</a>:</h4>
<p>okay I see</p>



<a name="128325257"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325257" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325257">(Jun 19 2018 at 20:04)</a>:</h4>
<p>(it occurs to me that this might tie in with the changes that <span class="user-mention" data-user-id="119009">@Eduard-Mihai Burtescu</span> was talking about for changing MIR to not use <code>Place</code> but rather build up the paths with statements)</p>



<a name="128325258"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325258" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325258">(Jun 19 2018 at 20:04)</a>:</h4>
<p>this is an alternative to my pattern of passing around a <code>(Place, Span)</code> tuple, yes?</p>



<a name="128325259"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325259" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325259">(Jun 19 2018 at 20:04)</a>:</h4>
<p>anyway I feel like this is probably out of scope right now?</p>



<a name="128325262"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325262" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325262">(Jun 19 2018 at 20:04)</a>:</h4>
<blockquote>
<p>this is an alternative to my pattern of passing around a (Place, Span) tuple, yes?</p>
</blockquote>
<p>yes, it would basically replace that I guess</p>



<a name="128325266"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325266" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325266">(Jun 19 2018 at 20:04)</a>:</h4>
<p>the problem is that today we have the span of the <em>statement</em></p>



<a name="128325269"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325269" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325269">(Jun 19 2018 at 20:04)</a>:</h4>
<p>but we can't get more precise</p>



<a name="128325270"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325270" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325270">(Jun 19 2018 at 20:04)</a>:</h4>
<p>still, I feel like I've not seen a lot of issues where this seems to be the key problem?</p>



<a name="128325282"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325282" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325282">(Jun 19 2018 at 20:05)</a>:</h4>
<p>perhaps because we introduce enough temporaries :)</p>



<a name="128325360"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325360" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325360">(Jun 19 2018 at 20:06)</a>:</h4>
<p>I'm going to skim over the NLL-diagnostics list again to double-check whether there are other issues that seem like they obviously need some <em>other</em> solution than the ones listed abover</p>



<a name="128325361"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325361" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325361">(Jun 19 2018 at 20:06)</a>:</h4>
<p>yeah I'm skimming now</p>



<a name="128325375"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325375" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325375">(Jun 19 2018 at 20:07)</a>:</h4>
<p>so is <a href="https://github.com/rust-lang/rust/issues/51175" target="_blank" title="https://github.com/rust-lang/rust/issues/51175">https://github.com/rust-lang/rust/issues/51175</a> the issue <span class="user-mention" data-user-id="116083">@pnkfelix</span> that we were talking about which sort of overlaps with what <span class="user-mention" data-user-id="116107">@David Wood</span> and I were doing?</p>



<a name="128325381"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325381" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325381">(Jun 19 2018 at 20:07)</a>:</h4>
<p><span class="user-mention" data-user-id="116009">@nikomatsakis</span> yeah probably</p>



<a name="128325386"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325386" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325386">(Jun 19 2018 at 20:07)</a>:</h4>
<p>I'm not sure why I gave that a separate issue</p>



<a name="128325387"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325387" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325387">(Jun 19 2018 at 20:07)</a>:</h4>
<p>seems fine</p>



<a name="128325431"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325431" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> davidtwco <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325431">(Jun 19 2018 at 20:08)</a>:</h4>
<p>So are there currently three issues based on this work? The original #46983,  #51188 that was assigned to me earlier and #51175?</p>



<a name="128325448"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325448" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325448">(Jun 19 2018 at 20:08)</a>:</h4>
<p>sounds right</p>



<a name="128325476"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325476" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325476">(Jun 19 2018 at 20:10)</a>:</h4>
<p>this is also related <a href="https://github.com/rust-lang/rust/issues/51012" target="_blank" title="https://github.com/rust-lang/rust/issues/51012">https://github.com/rust-lang/rust/issues/51012</a></p>



<a name="128325622"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325622" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325622">(Jun 19 2018 at 20:12)</a>:</h4>
<p>ok well I guess everybody has something to do :)</p>



<a name="128325633"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325633" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325633">(Jun 19 2018 at 20:12)</a>:</h4>
<p>there are still a lot of diagnostic issues, it's sort of hard to tell what is easiest, just have to dig into them</p>



<a name="128325645"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325645" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325645">(Jun 19 2018 at 20:13)</a>:</h4>
<p>Okay when/if Paper is working again then we should all try to post status reports.</p>



<a name="128325651"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325651" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325651">(Jun 19 2018 at 20:13)</a>:</h4>
<p>er right <span class="user-mention" data-user-id="116118">@Matthew Jasper</span> you were also working on <a href="https://github.com/rust-lang/rust/issues/45699" target="_blank" title="https://github.com/rust-lang/rust/issues/45699">https://github.com/rust-lang/rust/issues/45699</a>, right ?</p>



<a name="128325653"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325653" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325653">(Jun 19 2018 at 20:13)</a>:</h4>
<p>(moves and patterns)</p>



<a name="128325654"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325654" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> davidtwco <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325654">(Jun 19 2018 at 20:13)</a>:</h4>
<p>I think it might be, at least, I think mine has went in now.</p>



<a name="128325655"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325655" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325655">(Jun 19 2018 at 20:13)</a>:</h4>
<p>did that result in a PR?</p>



<a name="128325709"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128325709" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Matthew Jasper <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128325709">(Jun 19 2018 at 20:14)</a>:</h4>
<p>not yet, should be up soon.</p>



<a name="128326256"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128326256" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128326256">(Jun 19 2018 at 20:27)</a>:</h4>
<p>(in case it wasn't clear, I'm done talking for this meeting. <span class="emoji emoji-1f604" title="smile">:smile:</span> )</p>



<a name="128326988"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128326988" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128326988">(Jun 19 2018 at 20:40)</a>:</h4>
<p>I'll keep trying to update the Paper doc, it's half-working right now apparently</p>



<a name="128327678"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20June%2019/near/128327678" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20June.2019.html#128327678">(Jun 19 2018 at 20:53)</a>:</h4>
<p>(at least Dropbox is <a href="https://status.dropbox.com/" target="_blank" title="https://status.dropbox.com/">working on it</a>)</p>



<hr><p>Last updated: Aug 07 2021 at 22:04 UTC</p>
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